CS601 Assignment Fall 2011 Solution
Wednesday, October 26, 2011 Posted In CS and IT Edit This
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CS601 Solution.
Q.2 Idea ..
A packet and a frame are both packages of data moving through a network.
A packet exists at Layer 3 of the OSI Model, whereas a frame exists at Layer 2 of the OSI Model.
Layer 2 is the Data Link Layer. The best known Data Link Layer protocol is Ethernet.
Layer 3 is the Network Layer. The best know Network Layer protocol is IP (Internet Protocol).
To move through a network, a packet is encapsulated into one or more frames
Q.3
The numbers of cable links required for mesh topology are:
Number of devices = 11
Number of links = n (n-1)/2
=11 (11-1)/2 = 55
Number of I/o ports = (n-1) = 11-1 = 10
Q.2 Idea ..
A packet and a frame are both packages of data moving through a network.
A packet exists at Layer 3 of the OSI Model, whereas a frame exists at Layer 2 of the OSI Model.
Layer 2 is the Data Link Layer. The best known Data Link Layer protocol is Ethernet.
Layer 3 is the Network Layer. The best know Network Layer protocol is IP (Internet Protocol).
To move through a network, a packet is encapsulated into one or more frames
Packet This term is consided by many to correctly refer to a message sent by protocols operating at the network layer of the OSI Reference Model. So you will commonly see people refer to packets . However, this termin is commonly also used to refer generically to any type of message, as i menitoned earlier.
Frame This term is most commonly associated with messages that travel at low levels of the OSI Reference Model. In particular, it is most commonly seen used in reference to data link layer messages. It is occasionally also used to refer to physical layer messages, when message formatting is performed by a layer 1 technology. A frame gets its name from the fact that it is created by taking higher-level packets or datagrams and "framing" them with additional header information needed at the lower level.
CS601 Solution.
Q.2 Idea ..
A packet and a frame are both packages of data moving through a network.
A packet exists at Layer 3 of the OSI Model, whereas a frame exists at Layer 2 of the OSI Model.
Layer 2 is the Data Link Layer. The best known Data Link Layer protocol is Ethernet.
Layer 3 is the Network Layer. The best know Network Layer protocol is IP (Internet Protocol).
To move through a network, a packet is encapsulated into one or more frames
Q.3
The numbers of cable links required for mesh topology are:
Number of devices = 11
Number of links = n (n-1)/2
=11 (11-1)/2 = 55
Number of I/o ports = (n-1) = 11-1 = 10
Q.2 Idea ..
A packet and a frame are both packages of data moving through a network.
A packet exists at Layer 3 of the OSI Model, whereas a frame exists at Layer 2 of the OSI Model.
Layer 2 is the Data Link Layer. The best known Data Link Layer protocol is Ethernet.
Layer 3 is the Network Layer. The best know Network Layer protocol is IP (Internet Protocol).
To move through a network, a packet is encapsulated into one or more frames
Packet This term is consided by many to correctly refer to a message sent by protocols operating at the network layer of the OSI Reference Model. So you will commonly see people refer to packets . However, this termin is commonly also used to refer generically to any type of message, as i menitoned earlier.
Frame This term is most commonly associated with messages that travel at low levels of the OSI Reference Model. In particular, it is most commonly seen used in reference to data link layer messages. It is occasionally also used to refer to physical layer messages, when message formatting is performed by a layer 1 technology. A frame gets its name from the fact that it is created by taking higher-level packets or datagrams and "framing" them with additional header information needed at the lower level.
